// Copyright 2021 The etcd Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package schema

import (
	"go.etcd.io/etcd/api/v3/etcdserverpb"
	"go.etcd.io/etcd/server/v3/storage/backend"
	"go.uber.org/zap"
)

func UnsafeCreateAlarmBucket(tx backend.BatchTx) {
	tx.UnsafeCreateBucket(Alarm)
}

func MustPutAlarm(lg *zap.Logger, tx backend.BatchTx, alarm *etcdserverpb.AlarmMember) {
	tx.Lock()
	defer tx.Unlock()
	MustUnsafePutAlarm(lg, tx, alarm)
}

func MustUnsafePutAlarm(lg *zap.Logger, tx backend.BatchTx, alarm *etcdserverpb.AlarmMember) {
	v, err := alarm.Marshal()
	if err != nil {
		lg.Panic("failed to marshal alarm member", zap.Error(err))
	}

	tx.UnsafePut(Alarm, v, nil)
}

func MustDeleteAlarm(lg *zap.Logger, tx backend.BatchTx, alarm *etcdserverpb.AlarmMember) {
	tx.Lock()
	defer tx.Unlock()
	MustUnsafeDeleteAlarm(lg, tx, alarm)
}

func MustUnsafeDeleteAlarm(lg *zap.Logger, tx backend.BatchTx, alarm *etcdserverpb.AlarmMember) {
	v, err := alarm.Marshal()
	if err != nil {
		lg.Panic("failed to marshal alarm member", zap.Error(err))
	}

	tx.UnsafeDelete(Alarm, v)
}

func UnsafeGetAllAlarms(tx backend.ReadTx) ([]*etcdserverpb.AlarmMember, error) {
	ms := []*etcdserverpb.AlarmMember{}
	err := tx.UnsafeForEach(Alarm, func(k, v []byte) error {
		var m etcdserverpb.AlarmMember
		if err := m.Unmarshal(k); err != nil {
			return err
		}
		ms = append(ms, &m)
		return nil
	})
	return ms, err
}
